National Center for Nanoscience and Technology

Piezoelectric Nanogenerators Based on Zinc Oxide Nanowire Arrays

We have converted nanoscale mechanical energy into electrical energy by means of piezoelectric zinc oxide nanowire (NW) arrays. The aligned NWs are deflected with a conductive a...

18% Efficiency organic solar cells

Organic and solution-processed tandem solar cells with 17.3% efficiency

Tailoring tandem organics Tandem solar cells can boost efficiency by using a wider range of the solar spectrum. The bandgap of organic semiconductors can be tuned over a wide ra...

Single‐Junction Organic Photovoltaic Cells with Approaching 18% Efficiency

Abstract Optimizing the molecular structures of organic photovoltaic (OPV) materials is one of the most effective methods to boost power conversion efficiencies (PCEs). For an e...

Over 16% efficiency organic photovoltaic cells enabled by a chlorinated acceptor with increased open-circuit voltages

Broadening the optical absorption of organic photovoltaic (OPV) materials by enhancing the intramolecular push-pull effect is a general and effective method to improve the power...

Conversion of Zinc Oxide Nanobelts into Superlattice-Structured Nanohelices

A previously unknown rigid helical structure of zinc oxide consisting of a superlattice-structured nanobelt was formed spontaneously in a vapor-solid growth process. Starting fr...

Cell Membrane Tracker Based on Restriction of Intramolecular Rotation

The fluorescence of tetraphenylethylene (TPE), an archetypal luminogen, is induced by restriction of intramolecular rotation (RIR). TPE was grafted with palmitic acid (PA) onto ...